66152245 has 8 divisors (see below), whose sum is σ = 80339616. Its totient is φ = 52283856.

The previous prime is 66152239. The next prime is 66152279. The reversal of 66152245 is 54225166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66152245 - 2¹⁷ = 66021173 is a prime.

It is a super-2 number, since 2×66152245² = 8752239037080050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79287 + ... + 80116.

It is an arithmetic number, because the mean of its divisors is an integer number (10042452).

Almost surely, 2^66152245 is an apocalyptic number.

It is an amenable number.

66152245 is a deficient number, since it is larger than the sum of its proper divisors (14187371).

66152245 is a wasteful number, since it uses less digits than its factorization.

66152245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159491.

The product of its digits is 14400, while the sum is 31.

The square root of 66152245 is about 8133.4030393188. The cubic root of 66152245 is about 404.4345000982.

The spelling of 66152245 in words is "sixty-six million, one hundred fifty-two thousand, two hundred forty-five".